In a key demonstration of its determination to maintain technological sovereignty and underpin future security, the UK government has confirmed it is investing heavily in quantum computing; with a spend exceeding £500 million to be deployed over the next four years.
This fresh injection of cash will support the UK being a world-leader in this transformative area, with implications that extend to national security, from strengthened cyber defences to more powerful intelligence.
The investment arrives in the face of increasing competition globally, notably notably from the US and China, and in the quest to develop sovereign quantum technology. Government officials regard this funding as not just an industrial wager but as a strategic imperative.
There are increasing worries over the foreign takeovers of British quantum firms, drawing attention to Britain’s quantum ecosystem and how fragile it is without continued public support. Now, this new pledge is being presented as an explicit answer to that, indicating an ongoing interest on part of the government in developing quantum innovation at home to prevent crucial intellectual property from being lost to foreign actors.
Perhaps the most pressing and serious national security threat from quantum computing would be breaking current encryption. The current cryptographic protocols that protect bank transactions and classified government communications could be broken by powerful enough quantum computers.
The funding from the UK will help to advance research and development into Post Quantum Cryptography (PQC) – new ways of encrypting data that protect it from attacks, including those from quantum computers – enabling the UK to maintain its security of digital resources within the context of an era where quantum computers become possible.
Quantum computing, in addition to cyber security, will reshape all forms of intelligence gathering and military power. Its grunt may be processed as never before, and such processing might be fast enough that it allows us to churn through massive and multi-modal datasets at short-enough time scales to allow for higher-quality pattern recognition, anomaly detection, and the cracking of previously-unbreakable communications.
This could be a huge strategic advantage in operations such as signals intelligence, counter-terrorism, and deep recon. In addition, quantum-augmented AI systems could revolutionize military logistics, battlefield tactics, and autonomous defense systems.
The £500m investment will follow on from work, including regional quantum research hubs and the National Quantum Computing Centre (NQCC). This holistic venture between basic research and industrial application will be an important building block in the rapidly growing quantum economy.
They warn that failing to invest now would mean the UK being left behind in a “post-quantum world” in which technology leadership equates to national influence and security. This strategic investment highlights that quantum computing is a top national priority for the UK, as are artificial intelligence and green energy.